n48 1,2,3,4,5,6,7,8; 0,9,10,11,12,13,14,15; 0,9,16,17,18,19,20,21; 0,5,6,10,16,22,23,24; 0,5,7,11,17,25,26,27; 0,3,4,12,18,22,25,28; 0,3,7,13,19,23,29,30; 0,4,6,14,20,26,29,31; 0,15,21,24,27,28,30,31; 1,2,22,23,25,26,29,32; 1,3,12,13,17,20,26,36; 1,4,12,14,16,19,23,39; 1,5,10,11,19,20,29,43; 1,6,10,14,17,18,25,44; 1,7,11,13,16,18,22,40; 1,8,32,36,39,40,43,44; 2,3,11,14,18,19,26,38; 2,4,10,13,18,20,23,45; 2,5,13,14,16,17,29,41; 2,6,11,12,16,20,25,42; 2,7,10,12,17,19,22,46; 2,8,32,38,41,42,45,46; 3,5,9,14,20,23,25,35; 3,6,9,11,17,22,29,34; 3,8,28,30,34,35,36,38; 4,5,9,13,19,22,26,37; 4,7,9,10,16,25,29,47; 4,8,28,31,37,39,45,47; 5,8,24,27,35,37,41,43; 6,7,9,12,18,23,26,33; 6,8,24,31,33,34,42,44; 7,8,27,30,33,40,46,47; 9,15,21,33,34,35,37,47; 29,30,31,32,34,41,43,47; 23,24,30,32,33,35,39,45; 22,24,28,32,34,37,40,46; 10,15,24,43,44,45,46,47; 25,27,28,32,35,42,44,47; 16,21,24,39,40,41,42,47; 11,15,27,34,38,40,42,43; 14,15,31,35,38,39,41,44; 18,21,28,33,38,40,44,45; 19,21,30,37,38,39,43,46; 12,15,28,33,36,39,42,46; 13,15,30,36,37,40,41,45; 17,21,27,34,36,41,44,46; 20,21,31,35,36,42,43,45; 26,27,31,32,33,36,37,38.